From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1758044AbYDCNPc (ORCPT ); Thu, 3 Apr 2008 09:15:32 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1757551AbYDCNO7 (ORCPT ); Thu, 3 Apr 2008 09:14:59 -0400 Received: from mx1.redhat.com ([66.187.233.31]:60314 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1757511AbYDCNO6 (ORCPT ); Thu, 3 Apr 2008 09:14:58 -0400 Organization: Red Hat UK Ltd. Registered Address: Red Hat UK Ltd, Amberley Place, 107-111 Peascod Street, Windsor, Berkshire, SI4 1TE, United Kingdom. Registered in England and Wales under Company Registration No. 3798903 From: David Howells In-Reply-To: <47F4BA31.1080702@t-online.de> References: <47F4BA31.1080702@t-online.de> <8bd0f97a0804011434r4869fbe8t89ade12c04c97f2@mail.gmail.com> <5516.1207146014@redhat.com> <8bd0f97a0804020747r2d7c2802pa18cf08eced3821b@mail.gmail.com> <47F3A02B.5070302@t-online.de> <8bd0f97a0804020807o21f69b7due910563b9dad03e8@mail.gmail.com> To: Bernd Schmidt Cc: dhowells@redhat.com, Mike Frysinger , Greg Ungerer , David McCullough , LKML , Bryan Wu , Robin Getz Subject: Re: nommu: handling anonymous mmap clearing in userspace rather than kernel X-Mailer: MH-E 8.0.3+cvs; nmh 1.2-20070115cvs; GNU Emacs 23.0.50 Date: Thu, 03 Apr 2008 14:14:11 +0100 Message-ID: <21218.1207228451@redhat.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Bernd Schmidt wrote: > Really, if MAP_UNINITIALIZE is unacceptable, then that's too bad and we'll > carry it as a local patch, but all the other proposed mechanisms are > non-solutions because they break an established interface. Agreed. The kernel would not be backwardly compatible with old userspaces. David